You must acquire the best ...

You must acquire the best knowledge first, and without delay; it is the height of madness to learn what you will later have to unlearn.
You must acquire the best knowledge first, and without delay; it is the height of madness to learn what you will later have to unlearn.
 Desiderius Erasmus

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Nature, more of a stepmother than a mother in several ways, has sown a seed of evil in the hearts of mortals, especially in the more thoughtful men, which makes them dissatisfied with their own lot and envious of another s.
 Desiderius Erasmus
It is the chiefest point of happiness that a man is willing to be what he is.
 Desiderius Erasmus
Great abundance of riches cannot be gathered and kept by any man without sin.
 Desiderius Erasmus
Human affairs are so obscure and various that nothing can be clearly known. This was the sound conclusion of the Academic sceptics, who were the least surly of philosophers.
 Desiderius Erasmus
It's the generally accepted privilege of theologians to stretch the heavens, that is the Scriptures, like tanners with a hide.
 Desiderius Erasmus